煤炭的未来在于更清洁的技术和更智能的资源管理。
The future of coal lies in cleaner technologies and smarter resource management.
尽管儿童的举止有比较大的自由,但总的说来,他们给人一种非常有纪律的印象。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.